Display panel of a programmed computer system with a graphical user interface



The FIGURE is a front view of a display panel of a programmed computer system with a graphical user interface.

The broken line showing of a display panel and graphical user interface elements is included for the purpose of illustrating portions of the article and forms no part of the claimed design. 

CLAIM I claim the ornamental design for a display panel of a programmed computer system with a graphical user interface, as shown and described. 